Home / 7,485.06-11,228.57-2,553.38

Finding the Fourth Proportional to 7,485.06, 11,228.57 and 2,553.38

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Solution

The fourth proportional to 7,485.06, 11,228.57 and 2,553.38 is: 3,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.06 : 11,228.57 = 2,553.38 : x
  2. Step 2: Convert to fraction form
    7,485.06/11,228.57 = 2,553.38/x
  3. Step 3: Cross multiply
    7,485.06x = 11,228.57 × 2,553.38
  4. Step 4: Simplify right side
    7,485.06x = 28,670,806.07
  5. Step 5: Solve for x
    x = 28,670,806.07/7,485.06
  6. Step 6: Final answer
    x = 3,830.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.